Difference between revisions of "Crocanthemum corymbosum"

(Michaux) Britton

in N. L. Britton and A. Brown, Ill. Fl. N. U.S., ed. 2, 2: 541. 1913.

Common names: Pine barren frostweed
Endemic
Basionym: Helianthemum corymbosum Michaux Fl. Bor.-Amer. 1: 307. 1803
Synonyms: Cistus corymbosus (Michaux) Poiret
Treatment appears in FNA Volume 6. Treatment on page 404. Mentioned on page 401.
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{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Crocanthemum corymbosum
 
|accepted_name=Crocanthemum corymbosum
|accepted_authority=(Michaux) Britton in N. L. Britton and A. Brown
+
|accepted_authority=(Michaux) Britton
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S., ed.
 
|title=in N. L. Britton and A. Brown, Ill. Fl. N. U.S., ed.
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|label=Endemic
 
|label=Endemic
 
}}
 
}}
|basionyms={{Treatment/ID/Synonym
+
|basionyms={{Treatment/ID/Basionym
 
|name=Helianthemum corymbosum
 
|name=Helianthemum corymbosum
 
|authority=Michaux
 
|authority=Michaux
 +
|rank=species
 +
|publication_title=Fl. Bor.-Amer.
 +
|publication_place=1: 307. 1803
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Cistus corymbosus
 
|name=Cistus corymbosus
 
|authority=(Michaux) Poiret
 
|authority=(Michaux) Poiret
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Cistaceae;Crocanthemum;Crocanthemum corymbosum
 
|hierarchy=Cistaceae;Crocanthemum;Crocanthemum corymbosum
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|elevation=0–50 m
 
|elevation=0–50 m
 
|distribution=Ala.;Fla.;Ga.;Miss.;N.C.;S.C.
 
|distribution=Ala.;Fla.;Ga.;Miss.;N.C.;S.C.
|discussion=<p>Crocanthemum corymbosum is unique in Crocanthemum because of its corymbose inflorescence of long-pedicelled petaliferous flowers overtopping subsessile, apetalous flowers. Other species may produce long-pedicelled petaliferous flowers; the inflorescence shape is different. The two flower types develop synchronously, unlike in other species except C. glomeratum. The bicolored leaves, dark adaxially and pale abaxially, are a strong field and herbarium character.</p>
+
|discussion=<p><i>Crocanthemum corymbosum</i> is unique in <i>Crocanthemum</i> because of its corymbose inflorescence of long-pedicelled petaliferous flowers overtopping subsessile, apetalous flowers. Other species may produce long-pedicelled petaliferous flowers; the inflorescence shape is different. The two flower types develop synchronously, unlike in other species except <i>C. glomeratum</i>. The bicolored leaves, dark adaxially and pale abaxially, are a strong field and herbarium character.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Crocanthemum corymbosum
 
name=Crocanthemum corymbosum
|author=
+
|authority=(Michaux) Britton
|authority=(Michaux) Britton in N. L. Britton and A. Brown
 
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
|parent rank=genus
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|publication year=1913
 
|publication year=1913
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_763.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_763.xml
 
|genus=Crocanthemum
 
|genus=Crocanthemum
 
|species=Crocanthemum corymbosum
 
|species=Crocanthemum corymbosum

Latest revision as of 22:23, 5 November 2020

Herbs or subshrubs. Stems ascending to erect, 10–30(–50) cm, stellate-pubescent, glabrescent. Leaves cauline; petiole 1–5 mm; blade bicolor, obovate-elliptic to elliptic-lanceolate, 12–35(–47) × 3–10(–13) mm, base cuneate, apex obtuse, surfaces stellate-pubescent, lateral veins raised abaxially. Inflorescences terminal, compound dichasia in corymbiform cymes; chasmogamous flowers 1–6 per dichasium, overtopping cleistogamous, cleistogamous 10–45 per dichasium, produced simultaneously. Pedicels 6–15 mm, villous and stellate-pubescent; bracts 2–7 × 0.2–1.2 mm. Chasmogamous flowers: outer sepals spatulate-linear, 2.4–4.5 × 0.7–1.2 mm, apex obtuse, inner sepals 3–7 × 2.5–3.6 mm, apex acute to acuminate; petals obovate, 6–11 × 5–9.5 mm; capsules 3.6–5.4 × 3–4 mm, glabrous. Cleistogamous flowers: outer sepals linear, 1.8–3 × 0.3–0.9 mm, inner sepals ovate, 2.2–4.8 × 1.2–3 mm, apex acute; capsules 1.6–3.8 × 1.4–3 mm, glabrous.


Phenology: Flowering late Feb–Apr.
Habitat: Stable maritime dunes, maritime forests, sandy pinelands, live-oak woodlands
Elevation: 0–50 m

Distribution

V6 763-distribution-map.jpg

Ala., Fla., Ga., Miss., N.C., S.C.

Discussion

Crocanthemum corymbosum is unique in Crocanthemum because of its corymbose inflorescence of long-pedicelled petaliferous flowers overtopping subsessile, apetalous flowers. Other species may produce long-pedicelled petaliferous flowers; the inflorescence shape is different. The two flower types develop synchronously, unlike in other species except C. glomeratum. The bicolored leaves, dark adaxially and pale abaxially, are a strong field and herbarium character.

Selected References

None.

Lower Taxa

None.
... more about "Crocanthemum corymbosum"
Bruce A. Sorrie +
(Michaux) Britton in N. L. Britton and A. Brown +
Helianthemum corymbosum +
Pine barren frostweed +
Ala. +, Fla. +, Ga. +, Miss. +, N.C. +  and S.C. +
0–50 m +
Stable maritime dunes, maritime forests, sandy pinelands, live-oak woodlands +
Flowering late Feb–Apr. +
in N. L. Britton and A. Brown, Ill. Fl. N. U.S., ed. +
Cistus corymbosus +
Crocanthemum corymbosum +
Crocanthemum +
species +